BibTeX

@ARTICLE{iumj12021,
    author = "J. Youngs",
     title = "Minimal Imbeddings and the Genus of a Graph",
   journal = "Indiana Univ. Math. J.",
  fjournal = "Indiana University Mathematics Journal",
    volume = 12,
      year = 1963,
     issue = 2,
     pages = "303--315",
      issn = "0022-2518",
     coden = "IUMJAB",
   mrclass = "",
}

amsrefs

\bib{iumj12021}{article}{
     author = {Youngs, J.},
      title = {Minimal Imbeddings and the Genus of a Graph},
    journal = {Indiana Univ. Math. J.},
     volume = {12},
       year = {1963},
     number = {2},
      pages = {303 \ndash 315},
}